What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
If you're referring to the payment field in a form which accepts payments via PayPal, pop open the field's wizard and update the email address in the PayPal Account box:
Please see my colleague's (Welvin's) first post here.
How do you pop open the field's wizard to update it.
This is a duplicate post. Please wait for the reply of my colleague on this thread: https://www.jotform.com/answers/1131203.